WTCI-DT

An Edgar Allan Poe daguerreotype; a Teco collection circa 1905; a 1907 Frank Lloyd Wright archive.

Thoreau returns to society, taking on roles as surveyor, scientist and abolitionist, and makes two more Maine trips; Thoreau writes with renewed energy as he faces a lifelong illness.

Actresses Debra Messing and Melanie Lynskey explore the stories of their ancestors whose bold decisions reshaped their families.

George spends time with his new friend, Carl, who has Asperger's syndrome; D.W. and James ask their siblings to coach them through the pre-school swim meet.

The team learns about friction and how to slow down a moving object when a masked villain takes over the Mobile Unit van's computer.

On their annual laundry day, the Kratt brothers disagree on whether blue oceans or green forests are better; Aviva demonstrates how oceans and forests work together.

It's an exciting day for Lily and her family when they move into their new house.

Everett faces his fear of water by taking a swimming lesson; Lyla doesn't want Miss Emmaline to move.

Carl takes his friends on an "Amazing Smell Tour of Fuzzytown," but Lotta doesn't agree with Carl's list of the best smells; Carl and his friends go on a camping trip.

Daniel has many activities he wants to do with Juan Carlos, but Mom reminds him to ask his guest what he wants to do; Daniel can't wait to show Juan Carlos the Clock Factory.

Phoebe and Jay set a new record for the longest paper airplane fight; Phoebe and Jay learn how to build a stable pillow fort.

Honeybees disturb Elinor, Art, Olive and Koa during their picnic in the forest; the kids work together to move their dirt bike path so turtles can get to the water.

Alma wants to hang out with Eddie's friends, but doesn't like it when she starts to feel like a little kid; Junior becomes everyone's pretend little brother.

The kids create a new game called Mollyball; Molly convinces a travel guide writer to visit Qyah, so the village can be added to the guidebook.

Louis Pasteur helps Xavier with his volcano experiment project; Rachel Carson helps Brad figure out a way to help butterflies migrate.

From snowy owls in the high Arctic to honey buzzards raiding hornet nests in Taiwan, a look at the extreme ways in which raptors conquer the toughest habitats on Earth.

Exploring how people connect with the outdoors in Los Angeles; kayakers save a polluted river; Black surfers.

Strategies and industry insight from two leaders in alternative energy.

Serious downsides of coal.

Updated appraisals from 1998, including a treasure with an estimated value that should go somewhere between $70,000 and $90,000.

Live news program produced out of BBC's Washington, D.C. bureau; host Sumi Somaskanda.

A regular panel of guests from across the political spectrum discuss the biggest international stories of the day.

Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

An exploration of local service organizations and the impact they have in the Chattanooga area.

The fight against cervical cancer and three people whose work helped slash death rates from the disease by more than 60 percent.

Actresses Debra Messing and Melanie Lynskey explore the stories of their ancestors whose bold decisions reshaped their families.

Christiane Amanpour leads discussions about world issues and interviews with global leaders.

Tracking major changes in scientific understanding about Earth, from flat Earth legends to Galileo's telescope.

Moments in history that reshape the solar system and provide an understanding of the universe.

Four people on four continents face environmental change driven by climate change; as resources grow scarce, they witness shifts in wildlife behavior.

From snowy owls in the high Arctic to honey buzzards raiding hornet nests in Taiwan, a look at the extreme ways in which raptors conquer the toughest habitats on Earth.

Understanding how the brain shapes reality, including the tricks and shortcuts the brain takes to keep a person alive; with neuroscientist Heather Berlin.

When an episode of Bionic Bunny is interrupted, Carl is the only one who can recall what comes next; Larry, the class bunny, wanders off.

The Mobile Unit tries to convince Soundcheck to get back together again.

The Wild Kratts are busy coloring eggs for Easter; the bros think an adventure can be to go find the real Easter Bunny; Chris thinks it's the snowshoe hare, while Martin thinks it's the jackrabbit.

Lily and her family discover a surprise and also embark on a weather hunting expedition.

Luke, Lyla and Everett test vacuums; Lyla makes cookies using substituted ingredients.

Carl blames Nico when his special crayon breaks and Nico blames Carl when his drawing rips; Lotta tries to learn to play the alto saxophone.

Jodi's asthma makes it hard for her to run around with her friends during a game of Splat Ball; Daniel feels left out when there's no room for him to play at the xylophone.

Phoebe and Jay use Miss Jean's field guide to identify their new butterfly friend; Phoebe gets courage to perform at the talent show.

Ari tries to make the world's tallest toy block tower, but it keeps falling over; Elinor and Ari try to teach Ari's baby sister how to walk.

Alma and André help Junior write a story; Alma and Eddie surprise Nestor and Gloria.

A routine science expedition with Grandpa Nat and Nina becomes a rescue mission; Molly and Mom join Randall and his family in Sitka for their traditional canoe trip to Celebration in Juneau.

Willard Wigan shows Yadina that slowing down can help her make friendship bracelets more carefully; Maria Sibylla Merian shows Brad that he can have fun while waiting for flowers to grow.

Understanding how the brain shapes reality, including the tricks and shortcuts the brain takes to keep a person alive; with neuroscientist Heather Berlin.

Four people on four continents face environmental change driven by climate change; as resources grow scarce, they witness shifts in wildlife behavior.

An exploration of local service organizations and the impact they have in the Chattanooga area.

Henry David Thoreau pursues a career as an author, retreating to a cabin in the woods to live simply and write.

Live news program produced out of BBC's Washington, D.C. bureau; host Sumi Somaskanda.

A regular panel of guests from across the political spectrum discuss the biggest international stories of the day.

Co-anchors Amna Nawaz and Geoff Bennett and correspondents offer in-depth analysis of current events.

A panel of journalists provides reporting and analysis of the major stories emanating from the United States capital.

Margaret Hoover leads interviews and debates.

Following the dancers of the Martha Graham Dance Company as they tour the world.

Behind the scenes of the 1964 stage premiere of "Swan Lake," choreographed by Russian dancer Rudolf Nureyev.

Actresses Debra Messing and Melanie Lynskey explore the stories of their ancestors whose bold decisions reshaped their families.

Christiane Amanpour leads discussions about world issues and interviews with global leaders.

Author Andrew Ross Sorkin talks about the 1929 stock market crash, the causes of the Great Depression and how lessons from it can be applied today.

Following the dancers of the Martha Graham Dance Company as they tour the world.

Behind the scenes of the 1964 stage premiere of "Swan Lake," choreographed by Russian dancer Rudolf Nureyev.

Exploring China's history, beginning at a festival devoted to ancient gods; China's first emperor; traveling the Silk Road; Tang dynasty.

The "Windstorm in Bubbleland" opera tells how Hildegarde Hummingbird tries to save Bubbleland.

While doing their annual Laundry Day, the Kratt brothers disagree on what is better -- blue oceans or green forests.

The Hunters investigate a weather mystery surrounding massive rocks that move on their own in the desert.

Everett faces his fear of water by taking a swimming lesson; Lyla doesn't want Miss Emmaline to move.

Exploring the influence of fashion designer Victor Costa, best known for glamorous evening wear that gained popularity from the 1970s through the 1990s.

Clever methods for creating patchwork with silk, leather, denim and other bulky fabrics; constructing a laptop sleeve with bound edges and a button closure.

Palm trees yield to the stiff sea breezes as ominous clouds loom in the background.

A weekly Tennessee gardening series featuring tips, recipes and tours.

Achieving color in the garden after summer ends.

How to clean and cook greens for various dishes that are easy and accessible; fruit and vegetable garden; an elixir made from a pot of greens.

Tim Farmer explores traditional food preparation as well as gardening, canning, processing and smoking meat techniques.

Strawberry picking; Whitesburg Farmers Market; Cowan Community Center; CANE Kitchen; strawberry cake.

Colada black beans; pibil picadillo; chunky tomato and habanero salsa; salbutes.

Conchas; egg substitutes; preparing skillet eggs sardou.

Chiles en nogada; why oil shimmers; tacos gobernador.

The Magic Bowl consists of veggies, grains and eggs; a homemade roti with a spicy red meat dip; turkey keema served with sweet potatoes, which then gets stuffed into peppers; the secrets of thickeners.

Vietnamese chicken salad with sweet lime-garlic dressing; Greek bean salad; romaine with Manchego and smoky pepper dressing.

Laying out the wiring for radiant floor heating; custom kitchen cabinets; work is done on the built-in bookcase.

Upgrading shutters in a historic New Orleans neighborhood; how to read fertilizer labels and choose between organic and synthetic options; upgrading battery-operated smoke detectors to a hardwired combo alarm system.

An exploration of local service organizations and the impact they have in the Chattanooga area.

Traveling the highways and byways of Tennessee.

Science, health, technology and environment experts and professionals address issues such as artificial intelligence, medicine and climate science.

Experts analyze prominent international affairs topics and America's role in a shifting world.

Lynda Randle, Jason Crabb, The Nelons, the Gaither Vocal Band and more perform Homecoming favorites.

Grammy Award winner Patty Griffin performs songs from her new album for the first time.

Local feathers are ruffled when an ostentatious American opens up a golf club near Kembleford and a body is discovered in the reeds.

When the lead guitarist of a popular reggae band is murdered, Jack and his team must crack a cold case that has haunted the commissioner for years.

Hannes runs into an old friend when the Countess goes harp shopping in a sleepy town that has caught the attention of a scientist.

A disoriented young woman appears with the weapon from a crime that was committed 20 years ago.

Singer-songwriter Noah Kahan performs tunes from "Stick Season"; the female mariachi act Flor de Toloache.

The story of an astronaut infected with alien embryos; Mittens may be "in the (alien) family way.

Evidence from archaeology, Roman historians, Jewish texts and the Gospels suggest that Roman power politics brought about the events that eventually led to the crucifixion of Jesus Christ.

Evidence from archaeology, Roman historians, Jewish texts and the Gospels suggest that Roman power politics brought about the events that eventually led to the crucifixion of Jesus Christ.

Actors Cliff Parisi and Judy Parfitt ("Call the Midwife") team up with Catherine Southon and Phillip Serrell; they start their hunt for antiques in Kent before heading to an auction in Norfolk.

Puppet Daniel Tiger wonders if he is a mistake.

When an episode of Bionic Bunny is interrupted, Carl is the only one who can recall what comes next; Larry, the class bunny, wanders off.

The Wild Kratts are busy coloring eggs for Easter; the bros think an adventure can be to go find the real Easter Bunny; Chris thinks it's the snowshoe hare, while Martin thinks it's the jackrabbit.

The Hunters try to help an injured bird so it can join its friends migrating south for the winter.

Luke, Lyla and Everett test vacuums; Lyla makes cookies using substituted ingredients.

Carl blames Nico when his special crayon breaks and Nico blames Carl when his drawing rips; Lotta tries to learn to play the alto saxophone.

Jodi's asthma makes it hard for her to run around with her friends during a game of Splat Ball; Daniel feels left out when there's no room for him to play at the xylophone.

Phoebe plans a birthday surprise for Grandma; Phoebe and Jay must tend to the bell pepper in the garden.

An exploration of local service organizations and the impact they have in the Chattanooga area.

A panel of journalists provides reporting and analysis of the major stories emanating from the United States capital.

Author Andrew Ross Sorkin talks about the 1929 stock market crash, the causes of the Great Depression and how lessons from it can be applied today.

Tensions arise as Downton Abbey hosts a lavish Christmas party.

Cora's mother sweeps into Downton for Matthew and Mary's wedding, but with the couple's relationship under strain they might not make it to the altar.

The streets of ancient Ephesus; natural spa at Pamukkale; lunch in a Turkish pizzeria; cruising the Mediterranean on a traditional Turkish gulet.

Cultural highlights of Stockholm, Sweden's capital, include gourmet reindeer and vodka; sailing the archipelago.

Helsinki, Finland's Neoclassical old town has a modern flair for design; two-hour boat ride to Tallinn, Estonia.

Sustainable cacao chocolate in Costa Rica; Berlin's curry wurst; North Carolina's tomato pie; Melbourne's classic pasta and espresso; New Orleans' coffee blends; Rothenburg's powdered "snowball" pastry; Michigan's cherry ice wine.

Jeff is invited inside the rarely-seen operations of the 144th Fighter Wing base in Fresno.

Local feathers are ruffled when an ostentatious American opens up a golf club near Kembleford and a body is discovered in the reeds.

Rosalind is drawn into a troubling domestic situation; Joyce supervises the antenatal clinic at the hospital where she meets a worried single mother diagnosed with placenta previa.

Jo hopes to fulfill newfound obligations while James's attempts to sabotage him intensify; June seeks solace with Philip; Soames promises Irene a move to Paris and support for her dancing.

After escaping prison and discovering Mercedes' marriage, Edmond flees to Italy where he sails to Monte Cristo, transforms himself into the Count and plots his revenge.

Cora is determined to get her hands on another case; an opportunity arises.

Rosalind is drawn into a troubling domestic situation; Joyce supervises the antenatal clinic at the hospital where she meets a worried single mother diagnosed with placenta previa.